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. Author manuscript; available in PMC: 2022 Dec 1.
Published in final edited form as: Semin Arthritis Rheum. 2021 Sep 27;51(6):1193–1199. doi: 10.1016/j.semarthrit.2021.09.006

Table 3.

Age- and Sex-adjusted Incidence Rates by period for the cohort

Time
Period
N
cases
Female
N
cases
male
N
cases
total
Female
Age-adjusted rate per
100,000
Male
Age-adjusted rate per
100,000
Total age- and sex-
adjusted rate per
100,000
1: 1950-79 49 14 63 18.2 (13.0, 23.3) 7.8 (3.6, 12.1) 13.5 (10.1, 16.9)
2: 1980-99 88 23 111 27.8 (21.9, 33.8) 12.4 (7.2, 17.6) 21.0 (17.1, 25.0)
3: 2000-19 97 33 130 19.4 (15.5, 23.2) 9.3 (6.1, 12.5) 15.0 (12.4, 17.5)